[C320-list] C320 Prop Question

[Pat Ireland]

2001 - 801 - looks like right hand (clockwise) rotation to me?  Pat

On Tue, Aug 14, 2012 at 3:48 PM, Jeff Hare <catalina at thehares.com> wrote:

> Hi Frank,
>
> Your hull number is really important here, but 15" is the correct prop
> diameter. The pitch depends on your engine and trans gear ratio.
>
> Unused fuel coming out would concern me some. If its a yanmar, check the
> top of the engine to be sure the decompression levers are all in the down
> position. Can't imagine that one is up, but it should be burning all the
> fuel I would think.
>
> What boat speed did you reach?
>
> What RPM were you able to reach when you said it was running fast? 3GM
> should run 3500-3800 rpm or so wide open.
>
> Jeff
> C320 #809 -2001. Stock 3blade was 15x9 (LH rotation?)
>
> Frank Reid <freid59 at verizon.net> wrote:
>
> I'm in the process of buying a Catalina 320 and the current owner changed
> the prop from the 2 blade 13 inch (measured tip to tip) with a 3 blade 15
> inch. During our sea trial while under high RPM the engine was expelling
> unused fuel out the exhaust. If we place the transmission in neutral and
> rev'd it up there was no fuel expelling. I suspect the prop is the wrong
> size. It has the 30F engine. Does anyone know for sure what size 3 blade
> prop is correct?
>
>